Thank you, Paul.
So many people have trouble with pgssub-in-m2ts to <anysub>-in-<anyts> conversion. I have it working
for pgssub-in-m2ts to dvdsub-in-mp4 conversion but I'm trying to improve it.
On 10/06/2025 09.53, Paul B Mahol wrote:
Which subtitle format is accepting dvdsub codec stream?
The standard is .sub & .idx -- two files in tandem -- what I'm calling
"dvdsub-in-sub-with-idx".
.sub extension you use here is for microdvd codec stream only and thus not
possible.
It's working...
What you want to do?
Do you want to transcode input subtitle codec stream to another subtitle
codec and container, which one?
I am already converting pgssub-in-m2ts to dvdsub-in-sub-with-idx (which SubtitleEdit accepts). Now,
I'm trying to do the same thing, but without having to go through mkvextract.
Does files what mkvextracts outputs/produce in your above command is
recognized by ffmpeg in any way?
They are recognized by SubtitleEdit (which is what I use for OCR and editing). The .srt that
SubtitleEdit produces is recognized by FFmpeg.
What I posted was Steps 2 & 3 of a 5 step factory. Step 1 uses FFmpeg to do the transcode-remux:
h264-in-m2ts to x264-in-mp4. Step 4 is dvdsub OCR & srt output via SubtitleEdit. Step 5 is srt mux
via FFmpeg. I will paste in the full factory if that would help.
I'm trying to fold Steps 2 & 3 into Step 1.
On your suggestion, for a combined Step 2 & 3 (i.e. pgssub-in-m2ts directly to dvdsub-in-sup, I
tried this:
ffmpeg^
-i "y:\BDMV\STREAM\00000.m2ts"^
-map 0:s:0 -s 1920x1080 -c:s dvdsub^
"c:\2001, A SPACE ODYSSEY [1968].sup"
It failed:
(The conversion to dvdsub seemed to go fine. The problem seems to be with the
sup muxer.)
C:\Windows\System32>ffmpeg^
More? -i "y:\BDMV\STREAM\00000.m2ts"^
More? -map 0:s:0 -s 1920x1080 -c:s dvdsub^
More? "c:\2001, A SPACE ODYSSEY [1968].sup"
ffmpeg version 2025-06-02-git-688f3944ce-full_build-www.gyan.dev Copyright (c) 2000-2025 the FFmpeg
developers
built with gcc 15.1.0 (Rev4, Built by MSYS2 project)
configuration: --enable-gpl --enable-version3 --enable-static --disable-w32threads
--disable-autodetect --enable-fontconfig --enable-iconv --enable-gnutls --enable-lcms2
--enable-libxml2 --enable-gmp --enable-bzlib --enable-lzma --enable-libsnappy --enable-zlib
--enable-librist --enable-libsrt --enable-libssh --enable-libzmq --enable-avisynth
--enable-libbluray --enable-libcaca --enable-libdvdnav --enable-libdvdread --enable-sdl2
--enable-libaribb24 --enable-libaribcaption --enable-libdav1d --enable-libdavs2 --enable-libopenjpeg
--enable-libquirc --enable-libuavs3d --enable-libxevd --enable-libzvbi --enable-liboapv
--enable-libqrencode --enable-librav1e --enable-libsvtav1 --enable-libvvenc --enable-libwebp
--enable-libx264 --enable-libx265 --enable-libxavs2 --enable-libxeve --enable-libxvid
--enable-libaom --enable-libjxl --enable-libvpx --enable-mediafoundation --enable-libass
--enable-frei0r --enable-libfreetype --enable-libfribidi --enable-libharfbuzz --enable-liblensfun
--enable-libvidstab --enable-libvmaf --enable-libzimg --enable-amf --enable-cuda-llvm --enable-cuvid
--enable-dxva2 --enable-d3d11va --enable-d3d12va --enable-ffnvcodec --enable-libvpl--enable-nvdec
--enable-nvenc --enable-vaapi --enable-libshaderc --enable-vulkan --enable-libplacebo
--enable-opencl --enable-libcdio --enable-openal --enable-libgme --enable-libmodplug
--enable-libopenmpt --enable-libopencore-amrwb --enable-libmp3lame --enable-libshine
--enable-libtheora --enable-libtwolame --enable-libvo-amrwbenc --enable-libcodec2 --enable-libilbc
--enable-libgsm --enable-liblc3 --enable-libopencore-amrnb --enable-libopus --enable-libspeex
--enable-libvorbis --enable-ladspa --enable-libbs2b --enable-libflite --enable-libmysofa
--enable-librubberband --enable-libsoxr --enable-chromaprint
libavutil 60. 3.100 / 60. 3.100
libavcodec 62. 3.101 / 62. 3.101
libavformat 62. 0.102 / 62. 0.102
libavdevice 62. 0.100 / 62. 0.100
libavfilter 11. 0.100 / 11. 0.100
libswscale 9. 0.100 / 9. 0.100
libswresample 6. 0.100 / 6. 0.100
[mpegts @ 00000000027021c0] Failed to open codec in avformat_find_stream_info
[mpegts @ 00000000027021c0] start time for stream 9 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 10 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 11 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 12 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 13 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 14 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 15 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 16 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 17 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 18 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 19 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 20 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 21 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 22 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 23 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 24 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 25 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] start time for stream 26 is not set in
estimate_timings_from_pts
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 9 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 10 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 11 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 12 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 13 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 14 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 15 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 16 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 17 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 18 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 19 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 20 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 21 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 22 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 23 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 24 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 25 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
[mpegts @ 00000000027021c0] Could not find codec parameters for stream 26 (Subtitle:
hdmv_pgs_subtitle (pgssub) ([144][0][0][0] / 0x0090)): unspecified size
Consider increasing the value for the 'analyzeduration' (0) and 'probesize'
(5000000) options
Input #0, mpegts, from 'y:\BDMV\STREAM\00000.m2ts':
Duration: 02:28:51.68, start: 11.650667, bitrate: 22336 kb/s
Program 1
Stream #0:0[0x1011]: Video: vc1 (Advanced) (VC-1 / 0x312D4356), yuv420p(progressive), 1920x1080
[SAR 1:1 DAR 16:9], 23.98 fps, 47.95 tbr, 90k tbn, Start 11.650667
Stream #0:1[0x1100]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 448 kb/s, Start
11.650667
Stream #0:2[0x1101]: Audio: pcm_bluray (HDMV / 0x564D4448), 48000 Hz, 5.1(side), s16, 4608 kb/s,
Start 11.650667
Stream #0:3[0x1102]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 448 kb/s, Start
11.650667
Stream #0:4[0x1103]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 448 kb/s, Start
11.650667
Stream #0:5[0x1104]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 448 kb/s, Start
11.650667
Stream #0:6[0x1105]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 448 kb/s, Start
11.650667
Stream #0:7[0x1106]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, 5.1(side), fltp, 448 kb/s, Start
11.650667
Stream #0:8[0x1107]: Audio: ac3 (AC-3 / 0x332D4341), 48000 Hz, stereo, fltp, 192 kb/s, Start
11.650667
Stream #0:9[0x1200]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:10[0x1201]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:11[0x1202]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:12[0x1203]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:13[0x1204]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:14[0x1205]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:15[0x1206]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:16[0x1207]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:17[0x1208]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:18[0x1209]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:19[0x120a]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:20[0x120b]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:21[0x120c]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:22[0x120d]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:23[0x120e]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:24[0x120f]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:25[0x1210]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream #0:26[0x1211]: Subtitle: hdmv_pgs_subtitle (pgssub) ([144][0][0][0] /
0x0090), Start 11.650667
Stream mapping:
Stream #0:9 -> #0:0 (hdmv_pgs_subtitle (pgssub) -> dvd_subtitle (dvdsub))
Press [q] to stop, [?] for help
Output #0, sup, to 'c:\2001, A SPACE ODYSSEY [1968].sup':
Metadata:
encoder : Lavf62.0.102
Stream #0:0: Subtitle: dvd_subtitle, 1920x1080
Metadata:
encoder : Lavc62.3.101 dvdsub
[sup @ 0000000002709cc0] Not enough data, skipping 8633 bytes57.60
[sost#0:0/dvdsub @ 0000000005830680] Error submitting a packet to the muxer: Invalid data found when
processing input
Last message repeated 1 times
[out#0/sup @ 000000000280bb40] Error muxing a packet
[out#0/sup @ 000000000280bb40] Task finished with error code: -1094995529 (Invalid data found when
processing input)
[out#0/sup @ 000000000280bb40] Terminating thread with return code -1094995529 (Invalid data found
when processing input)
[out#0/sup @ 000000000280bb40] video:0KiB audio:0KiB subtitle:8KiB other streams:0KiB global
headers:0KiB muxing overhead: unknown
size= 0KiB time=1193:28:31.25 bitrate= 0.0kbits/s speed=2.41e+04x
elapsed=0:02:58.33
Conversion failed!
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